public class Student{
	String name;
	float gpa;	
	Student(String x){		//do not know gpa
		name = x;
	}
	Student(String x, float y){		//know gpa
		name = x;
		gpa = y;
	}
	public void Out(){
	System.out.println("Student's name is" + this.name + ".Student's gpa is " + this.gpa);
	}
}

